TM-9-2320-279-20-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3

TM-9-2320-279-20-1 - Page 686 of 985

TM 9-2320-279-20-1

Electrical System Maintenance Instructions (Cont)

7-41. MAIN LIGHT SWITCH REMOVAL/INSTALLATION.

This task covers:

a. Removal

b. Installation

c. Follow-on Maintenance

INITIAL SETUP

Models

References

All

None

Test Equipment

Equipment Condition

None

TM or Para

Condition Description

Special Tools

Para 7-91

Batteries disconnected.

None

Special

Environmental Conditions

Supplies

None

None

General Safety Instructions

Personnel Required

None

MOS 63S, Heavy wheel vehicle mechanic

a. Removal.

(1)

(2)

(3)

(4)

Remove eight screws (1) and side

panel (2).

Disconnect plug (3) from main light

switch (4).

Remove three screws (5), washers (6),

knobs (7), and washers (8) from main

light switch (4).

Remove four screws (9) and main light

switch (4) from side panel (2).

b. Installation.

(1)

Install four screws (9) and main light

switch (4) in side panel (2).

(2)

Install three screws (5), washers (6),

knobs (7), and washers (8).

(3)

Connect plug (3) to back of main light

switch (4).

(4)

Install side panel (2) and make sure all

wires are behind side panel.

(5)

Install and tighten eight screws (1).

c. Follow-on Maintenance.

(1)

Connect batteries (para 7-91).

(2)

Check operation of lights

(TM 9-2320-279-10).

END OF TASK

7-117